Title:
METHOD FOR CONTINUOUSLY RECOVERING STYRENE MONOMER FROM WASTE POLYSTYRENE
Document Type and Number:
WIPO Patent Application WO/2023/204553
Kind Code:
A1
Abstract:
The present invention relates to a method for continuously recovering a styrene monomer from waste polystyrene, and more specifically to a method for continuously recovering a styrene monomer from waste polystyrene, the method comprising mixing with a potassium carbonate (K2CO3) catalyst, and then continuously depolymerizing same, thereby enabling the recovery of a styrene monomer having high yield and high purity.
Inventors:
HWANG DONG WON (KR)
YUN GWANG NAM (KR)
SONG IN HYOUP (KR)
KIM JI HOON (KR)
PARK JAEDEUK (KR)
MIN JU WON (KR)
CHA SEUNGHYEOK (KR)
EOM IN YONG (KR)
YOO CHANG HO (KR)
YUN GWANG NAM (KR)
SONG IN HYOUP (KR)
KIM JI HOON (KR)
PARK JAEDEUK (KR)
MIN JU WON (KR)
CHA SEUNGHYEOK (KR)
EOM IN YONG (KR)
YOO CHANG HO (KR)
Application Number:
PCT/KR2023/005183
Publication Date:
October 26, 2023
Filing Date:
April 17, 2023
Export Citation:
Assignee:
KOREA RES INST CHEMICAL TECH (KR)
International Classes:
C07C4/22; C07C15/46; C08J11/10
Domestic Patent References:
| WO2021053074A1 | 2021-03-25 |
Foreign References:
| KR20030081717A | 2003-10-22 | |||
| JP2014070132A | 2014-04-21 | |||
| KR20210113263A | 2021-09-15 | |||
| KR101838815B1 | 2018-03-14 |
Attorney, Agent or Firm:
GHONG-GAN INTERNATIONAL PATENT LAW FIRM (KR)
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